CVE-2018-14630

Moodle 3.x PHP Unserialize Remote Code Execution

Severity Score

8.8

*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

moodle before versions 3.5.2, 3.4.5, 3.3.8, 3.1.14 is vulnerable to an XML import of ddwtos could lead to intentional remote code execution. When importing legacy 'drag and drop into text' (ddwtos) type quiz questions, it was possible to inject and execute PHP code from within the imported questions, either intentionally or by importing questions from an untrusted source.

moodle en versiones anteriores a la 3.5.2, 3.4.5, 3.3.8 y 3.1.14 es vulnerable a una importación XML de ddwtos que podría conducir a la ejecución intencional de código de forma remota. Al importar preguntas heredadas de quiz de tipo "drag and drop into text" (ddwtos), era posible inyectar y ejecutar código PHP desde las preguntas importadas, ya sea de forma intencionada o importando preguntas de una fuente no fiable.

Moodle versions 3.5.2, 3.4.5, 3.3.8, and 3.1.14 suffer from a remote php unserialize code execution vulnerability.

*Credits: N/A

CVSS Scores

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Network

Attack Complexity

Low

Authentication

Single

Confidentiality

Partial

Integrity

Partial

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2018-07-27 CVE Reserved
2018-09-17 CVE Published
2024-08-05 CVE Updated
2024-08-05 First Exploit
2024-08-27 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-20: Improper Input Validation
CWE-94: Improper Control of Generation of Code ('Code Injection')

CAPEC

References (6)

URL	Tag	Source
http://www.securityfocus.com/bid/105354	Third Party Advisory

URL	Date	SRC
https://seclists.org/fulldisclosure/2018/Sep/28	2024-08-05
https://www.sec-consult.com/en/blog/advisories/remote-code-execution-php-unserialize-moodle-open-source-learning-platform-cve-2018-14630	2024-08-05

URL	Date	SRC
http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-62880	2019-10-09
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14630	2019-10-09
https://moodle.org/mod/forum/discuss.php?d=376023	2019-10-09

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Moodle Search vendor "Moodle"		Moodle Search vendor "Moodle" for product "Moodle"				<= 3.0.10 Search vendor "Moodle" for product "Moodle" and version " <= 3.0.10"		-		Affected
Moodle Search vendor "Moodle"		Moodle Search vendor "Moodle" for product "Moodle"				>= 3.1.0 < 3.1.14 Search vendor "Moodle" for product "Moodle" and version " >= 3.1.0 < 3.1.14"		-		Affected
Moodle Search vendor "Moodle"		Moodle Search vendor "Moodle" for product "Moodle"				>= 3.3.0 < 3.3.8 Search vendor "Moodle" for product "Moodle" and version " >= 3.3.0 < 3.3.8"		-		Affected
Moodle Search vendor "Moodle"		Moodle Search vendor "Moodle" for product "Moodle"				>= 3.4.0 < 3.4.5 Search vendor "Moodle" for product "Moodle" and version " >= 3.4.0 < 3.4.5"		-		Affected
Moodle Search vendor "Moodle"		Moodle Search vendor "Moodle" for product "Moodle"				>= 3.5.0 < 3.5.2 Search vendor "Moodle" for product "Moodle" and version " >= 3.5.0 < 3.5.2"		-		Affected